Subversion Repositories planix.SVN

#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
#include "ureg.h"
#include "../port/error.h"

/*
 *  PCMCIA modem.
 *  By default, this will set it up with the port and irq of
 *  COM2 unless a serialx=type=com line is found in plan9.ini.
 *  The assumption is that a laptop with a pcmcia will have only
 *  one com port.
 */

enum {
        Maxcard=        8,
};

static char* modems[] = {
        "IBM 33.6 Data/Fax/Voice Modem",
        "CM-56G",                       /* Xircom CreditCard Modem 56 - GlobalACCESS */
        "KeepInTouch",
        "CEM56",
        "MONTANA V.34 FAX/MODEM",       /* Motorola */
        "REM10",
        "GSM/GPRS",
        "AirCard 555",
        "Gold Card Global",             /* Psion V90 Gold card */
        "Merlin UMTS Modem",            /* Novatel card */
        0,
};

void
pcmciamodemlink(void)
{
        ISAConf isa;
        int i, j, slot, com2used, usingcom2;

        i = 0;
        com2used = 0;
        for(j = 0; modems[j]; j++){
                memset(&isa, 0, sizeof(isa));

                /* look for a configuration line */
                for(; i < Maxcard; i++){
                        if(isaconfig("serial", i, &isa))
                        if(cistrcmp(isa.type, "com") == 0)
                                break;
                        memset(&isa, 0, sizeof(isa));
                }

                usingcom2 = 0;
                if (isa.irq == 0 && isa.port == 0) {
                        if (com2used == 0) {
                                /* default is COM2 */
                                isa.irq = 3;
                                isa.port = 0x2F8;
                                usingcom2 = 1;
                        } else
                                break;
                }
                slot = pcmspecial(modems[j], &isa);
                if(slot >= 0){
                        if(usingcom2)
                                com2used = 1;
                        if(ioalloc(isa.port, 8, 0, modems[j]) < 0)
                                print("%s port %lux already in use\n",
                                        modems[j], isa.port);
                        print("%s in pcmcia slot %d port 0x%lux irq %d\n",
                                modems[j], slot, isa.port, isa.irq);
                }
        }
}